According to the Stacks team, the upgrade“Release 2.05.0.0.0” will be activated on Bitcoin height 713,000， estimated at 23:00 UTC on December 6th, 2021.
Gate.io supports this upgrade and will suspend STX deposits and withdrawals during the process. Deposits and withdrawals will be resumed as soon as possible after this upgrade. Trading of STX will not be affected.
Thank you for your understanding and continued support.

This software update is a consensus changing release and the implementation of the proposed cost changes in SIP-012.

Learn more:
https://github.com/blockstack/stacks-blockchain/releases/tag/2.05.0.0.0